Northern pintail males and females.
By Ruscena Wiederholt and Brady Mattsson
Conserving or managing migratory species is notoriously challenging since their seasonal movements can cross international borders and continents – even...
Adaptations to habitats with low temporal and spatial stability (such as the depicted area in the Scottish Highlands, where air temperatures can drop below minus 10°C until Summer) allowed lentic dragonfly species to recolonize areas north of the 0°C isotherm at the Last...
By Jed Macdonald, Kai Logemann, Elias Krainski, Þorsteinn Sigurðsson, Colin Beale, Geir Huse, Solfrid Hjøllo, Guðrún Marteinsdóttir
The phenomena of schooling, shoaling, flocking, and swarming has intrigued ecologists for...
A typical subarctic mountain trail, winding through a blueberry field (Vaccinium myrtillus).
By Jonas Lembrechts
The higher up you go in the mountains, the less common these new species become. At some point, often close to...
Statistical models in ecology are used not just to describe the present state of natural systems, but also to predict their change or development over time. Such models are fairly simple to create and have thus become ubiquitous in all areas of ecological research. To...
By Mary E. Blair and Robert P. Anderson
Fifteen years ago, Steven Phillips, a computer science researcher at AT&T Labs from South Africa, walked a few blocks from his apartment in New York City to the American Museum of Natural...
In simulations comparing a population spread in a spatially homogenous (left) versus patchy (right) landscapes, variation in the Allee effect induces variation in spread patterns and increases the overall rate of spread.
By Jonathan A. Walter...
The sigmodontine rodent genus Eligmodontia includes highly specialized desert-dwellers in the Southern Cone of South America. Species of gerbil mice have inflated auditory bullae, and are also capable of bipedal jumping and elevated urine concentration. Photo by...
Underwater pictures taken on the wall of the new island at Potter Cove. Both pictures were taken between 10 and 15 m depth where a high abundances of filters feeders such as ascidians and sponges were found. Note the aluminum ruler (10 cm long) that was attached to the...
By Laura Keating and George Wittemyer
Sleep has been hypothesized to be fundamental to cognitive functioning, and extreme sleep deprivation can have lethal implications. In addition, sleep is one of the most susceptible times of day for an animal...
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